Category Archives: Polyphenols

The Main Differences Between Tea and Coffee

Tea and coffee are two of the most commonly drunk beverages after water. Both tea and coffee have some interesting health properties, and are quite similar in this respect. However, the chemistry of tea and coffee reflects some of the … Continue reading

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Broccoli: Stability of Its Nutrients During Digestion

Broccoli (Brassica oleracea) is a rich source of phytochemicals that may have significant health benefits. In particular, broccoli contains high amounts of polyphenols, glucosinolates and vitamin C, and these nutrients may explain its ability to reduce the risk of certain … Continue reading

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Damsons (Prunus domestica): Antioxidants

Damsons (Prunus domestica) are an edible drupaceous fruit from a species of plum tree. Damsons are often used for jam (conserves) as well as in pies and crumbles. They have a tart taste and a deep rich red colour in … Continue reading

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Tribulus terrestris: Pharmacology

Tribulus terrestris is a plant that belongs to the Zygophyllaceae family of plants. Traditional uses for the plant include improving vitality, sexual function and physical performance in men. The active principles in Tribulus terrestris extract are thought to be flavonoids … Continue reading

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Do Flavonoids Have to Be Absorbed To Be Beneficial?

Flavonoids are a group of phytochemicals that are structurally polyphenolic. This means they are made of numerous phenolic rings chemically bonded together. The structure of flavonoids is such that they contain a variable amount of hydroxyl groups and this gives … Continue reading

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A Spoonful of Sugar: On the Sugar Content of Honey

Honey is a food with healing properties. This is paradoxical, because honey is nearly all sugar. The sugar content of honey varies depending on the bees that have produced it, but in general honey contains a mixture of sucrose, fructose … Continue reading

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Polyphenols in Berries

Berries are a rich source of polyphenols, many of which belong to the anthocyanin subgroup of flavonoids. Anthocyanins are responsible for the red, blue and purple colour of berry skins. Black crowberry (Empetrum nigrum), honeyberry (Lonicera kamtschatica) and European cranberry … Continue reading

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Wine Polyphenols: Contributions to Taste

Polyphenols are secondary metabolites produced by plants. When animals and humans eat plants they absorb the polyphenols and obtain health effects. Polyphenols are antioxidants and anti-inflammatory in nature and this confers protection to the consumer. However, polyphenols are also important … Continue reading

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Polyphenols in Nettle

Nettles (Urtica dioica) are a rich source of nutrients which may explain their medicinal effects. Nettles belong to the Urticaceae family and grow wild in a number of regions including Asia, Europe, North America and parts of Africa. The leaves, … Continue reading

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How Do Polyphenols Protect From Obesity?

Polyphenols may have a number of health effects that include protection from obesity. Polyphenols are not the only reason that the Mediterranean diet protects from obesity, but they may contribute to this effect. The Mediterranean diet is high in plant … Continue reading

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